NO. 1. Gas Heater _Frontispiece_ 2. Gas Heater PAGE 8 3. Gas Heater " 9 4. Gas Heater " 15 5. Gas Heater " 18 6. Gas Cooker " 31 7. Gas Heating " 31 8. Gas Heating " 33 9. Gas Heating " 35 10. Gas Lighting " 44 11. Gas Lighting " 45 12. Gas Lighting " 47 13. Gas Cooker " 51 14. Gas Cooking " 62 15. Gas Heating (Water) " 64 16. Gas Cooker " 67 17. Gas Heating (Water) " 71 18. Gas Heating (Water) " 75 19. Gas Kitchen " 79 20. Gas Cooking " 81 21. Gas Kitchen " 85 22. Gas Kitchener " 93 23. Gas Kitchen " 95 24. Gas Destructor " 97 25. Gas Kitchen " 101 26. Gas-Reading (Meter) " 105 27. Gas Oven " 108 28. Gas Oven " 111 29. Gas Steamer " 117 30. Gas Utensils " 124 31. Gas Oven " 126 32. Electric Kitchen " 131 33. Electric Iron and Electric Heater " 134 34. Electric Kitchen " 142 35. Dining-room Hot-Plate and Dreadnought Machine " 143 36. Electric Cooker " 145 37. Electric Fire " 148 38. Electric Cooker " 157 39. Electric Cooker " 160 40. Electric Transformer Co. " 163 41. Electric Transformer Co., Delightful Inventions " 164 42. Electric Transformer Co., Breakfast Cooker " 176 42.